Axxess AXDSPX-GM30 DSP Interface for GM IOS IOT IOU 2019-2023

Axxess AXDSPX-GM30 is an AXDSP-X digital signal processor data interface package for select GM models 2019-2023 with IOS, IOT, or IOU systems. It helps clean up factory-radio audio processing, provides tunable preamp outputs for aftermarket amplifiers, and supports retained factory audio functions where applicable.

Key Features

• DSP data interface package for select GM models 2019-2023 with IOS, IOT, or IOU systems
• Designed for non-amplified systems
• Package includes the AXDSP-X interface and vehicle-specific harnessing
• 6 inputs and 10 individually assignable outputs
• Selectable 31-band graphic EQ or 5-band parametric EQ on each channel
• Selectable high-pass, low-pass, or bandpass filters
• Independent equalization and time delay on each output
• Clipping detection and limiting circuits
• Bass knob included
• Settings adjusted wirelessly through the AX-DSP-XL app
• Micro-B USB updatable
• Internal header port for adding interface modules
• Chime control for GM vehicles
• Retains OnStar voice prompts and factory chimes when equipped

System / Wiring Notes

• Designed for non-amplified systems
• Install location: at the factory radio
• Can be used with factory and aftermarket radios where the manufacturer supports the application
• Retained factory prompts, chimes, parking alerts, OnStar, Blue Link, UVO, or similar features depend on vehicle equipment and proper configuration
• DSP tuning must be completed in the AX-DSP-XL app for the vehicle and audio system

Vehicle Compatibility

Installation Notes

• Verify the vehicle is in the listed application range and has the required factory audio system before purchase
• Do not assume compatibility across similar vehicles, factory radios, RPO codes, or amplifier packages
• Confirm exact vehicle fitment, factory audio system, amplifier configuration, radio RPO code where applicable, and radio connector before purchase
• Additional installation parts may be required depending on the vehicle, factory equipment, and system design
• Programming, firmware updates, app setup, or DSP tuning may be required for proper operation
• Professional installation and tuning are recommended for best results
• Check the current Axxess vehicle fit guide and manufacturer instructions before installation

What’s in the Box

• AXDSP-X interface, vehicle-specific T-harness, bass knob, and manufacturer instructions

Technical Specifications

• Brand: Axxess
• Model: AXDSPX-GM30
• Product Type: DSP data interface with vehicle-specific harness
• Application: select GM models 2019-2023 with IOS, IOT, or IOU systems
• Compatibility Type: Vehicle-specific
• Factory System Requirement: Designed for non-amplified systems
• Install Location: at the factory radio
• DSP Platform: AXDSP-X
• Inputs: 6
• Outputs: 10 individually assignable
• EQ: 31-band graphic EQ or 5-band parametric EQ
• Filters: High-pass, low-pass, or bandpass
• Selectable Slope: 12, 24, 36, or 48 dB per octave
• Delay: Up to 10 ms per channel
• Tuning: Axxess AX-DSP-XL app
• Update Method: Micro-B USB
• Included Control: Bass knob

Identifiers & Packaging

• MPN: AXDSPX-GM30
• UPC: 86429400034
• Sold As: Each
• Included Components: AXDSP-X interface, vehicle-specific T-harness, bass knob, and manufacturer instructions

Why Buy From MCOR Automotive

• Authorized retailer for the brands we sell
• Specialists in vehicle audio integration, radio replacement parts, and installation accessories
• 22+ years of professional automotive electronics experience
• Expert support for compatibility verification and proper setup